Description Usage Arguments Value

View source: R/ellipse-functions.R

Helper function for graphing ellipses from eigendecompositions. This function
is used by `bvNormalContour`

and `confidenceEllipse`

.
Essentially this is a wrapper for `draw.ellipse`

that
also calculates appropriate x-axis and y-axis limits to make graphing an
ellipse easier (because the entire ellipse should be visible without any
work on the user's part to specify the limits).

1 | ```
eigenEllipseHelper(mu, lengths, angle, xl, yl, lim.adj, axes, center, ...)
``` |

`mu` |
column matrix giving the coordinates for the cener of the ellipse. |

`lengths` |
vector giving the major and minor axis lengths. |

`angle` |
angle of rotation (in radians). |

`xl` |
x-axis limits. If |

`yl` |
y-axis limits. If |

`lim.adj` |
a value giving an adjustment to the x-axis and y-axis limits
computed if either |

`axes` |
logical. If |

`center` |
logical. If |

`...` |
other arguments to be passed to the graphing functions. |

None

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